anyone know the ratings of the 5.3L stock injectors? I've installed cam, LTs, and tuning and I'm running 120% injector duty cycle!! The Yukon goes lean after 5K..
Tuners and mechanics around my area are surprised! i guess GM was spending more money on the exterior and forgot about the small stuff
Tuners and mechanics around my area are surprised! i guess GM was spending more money on the exterior and forgot about the small stuff
